Rhode Island Department of Education Lesson Plan Lesson Title: Bond Dissociation Energies and Resonance State Standards:(GLEs/GSEs) National Standards: Context of Lesson: This lesson is after the class has learned about the different types of covalent bonds: single, double, triple, and coordinate covalent. This class will focus on how the students can figure out which types of bonds are stronger than others. Opportunities to Learn: Depth of Knowledge: Prerequisite Knowledge: Plans for Differentiating Instruction: Accommodations and modifications: Environmental factors: Materials:
Objectives:
When given 3 compounds the students will be able to list them in order of increasing bond strength.
Instruction: Opening:
Collect the homework
Ask if the students have any questions.
Explain the days agenda.
Engagement:
We’ve learned about different types of covalent bonds: single, double, triple, coordinate covalent. Do we know anything about the strength of bonds or have any ideas.
Classroom activity using rubber bands.
One rubber band for each bond.
The more rubber bands the harder it is to stretch/break; its the same with bonds.
Why does this matter?
Melting points, boiling points, etc.
Can you predict which compound will have a higher or lower melting or boiling point.
There are other things that can effect bond strengths.
Resonance.
What is it?
It contributes to some exceptions to the octet rule.
As we already know chemistry is complicated and some rules can be broken.
Compounds with an odd number of valence electrons do not follow the octet rule and therefore have resonance.
Closure:
Recap of the days activities. What they learned today.
Ask if the students have any questions.
Tell the students what to expect in the next class: molecular orbitals.
Assessment: Reflections: (only done after lesson is enacted) Student Work Sample 1 – Approaching Proficiency: Student Work Sample 2 – Proficient: Student Work Sample 3 – Exceeds Proficiency:
Lesson Plan
Lesson Title: Bond Dissociation Energies and Resonance
State Standards: (GLEs/GSEs)
National Standards:
Context of Lesson:
This lesson is after the class has learned about the different types of covalent bonds: single, double, triple, and coordinate covalent. This class will focus on how the students can figure out which types of bonds are stronger than others.
Opportunities to Learn:
Depth of Knowledge:
Prerequisite Knowledge:
Plans for Differentiating Instruction:
Accommodations and modifications:
Environmental factors:
Materials:
Objectives:
Instruction:
Opening:
Engagement:
Closure:
Assessment:
Reflections:
(only done after lesson is enacted)
Student Work Sample 1 – Approaching Proficiency:
Student Work Sample 2 – Proficient:
Student Work Sample 3 – Exceeds Proficiency: